Replacement power adapter before Mid 2012 for Mac book Pro 13" Inch | Input: AC 100-240V, 1.5a, 50-60Hz/output: 16.5V, 3.65a | Safety: advanced technology and certificated with UL/CE/FCC/RoHS /UL standard, can protect your equipment from over current, over voltage, over load, short-circuit | Function: A magnetic connector ensures your power cable will disconnect harmlessly if it experiences undue strain and helps prevent fraying or weakening of the cables over time. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. | Note:This is the first generation of charger, not the second. Knowing which Mac notebook model you have is important. Please check clearly before buying

Replacement power adapter before Mid 2012 for Mac book Pro | Input: AC 100-240V, 1.5a, 50-60Hz/output: 18.5v 4.6a | Safety: advanced technology and certificated with UL/CE/FCC/RoHS /UL standard, can protect your equipment from over current, over voltage, over load, short-circuit | Function: A magnetic connector ensures your power cable will disconnect harmlessly if it experiences undue strain and helps prevent fraying or weakening of the cables over time. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. | Note:This is the first generation of charger, not the second. Knowing which Mac notebook model you have is important. Please check clearly before buying